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Finding the Fourth Proportional to 248,802.50, 343,347.54 and 141,372.68

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Solution

The fourth proportional to 248,802.50, 343,347.54 and 141,372.68 is: 195,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,802.50 : 343,347.54 = 141,372.68 : x
  2. Step 2: Convert to fraction form
    248,802.50/343,347.54 = 141,372.68/x
  3. Step 3: Cross multiply
    248,802.50x = 343,347.54 × 141,372.68
  4. Step 4: Simplify right side
    248,802.50x = 48,539,961,901.21
  5. Step 5: Solve for x
    x = 48,539,961,901.21/248,802.50
  6. Step 6: Final answer
    x = 195,094.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.